Cross-Chain Orders

const order = {
  targetChain: "base",
  contraChain: "arbitrum",
  targetAsset: "0x4200000000000000000000000000000000000006", // WETH on Base
  contraAsset: "0xaf88d065e77c8cC2239327C5EDb3A432268e5831", // USDC on Arbitrum
  side: "buy",
  qty: "100",
  orderType: "market",
  maxSlippage: "0.05",
  recipientAddress: account.address,
};

const quote = await post("/quote", { ...order, funderAddress: account.address });

// Complete the approval and signing actions returned for the source chain.
const submitBody = {
  ...order,
  funderAddress: account.address,
  quoteId: quote.quoteId,
  ...(quote.bridgeQuoteId ? { bridgeQuoteId: quote.bridgeQuoteId } : {}),
  userSignature,
  evmOrderTypedData: quote.evm.orderTypedData,
  ...permitFields,
};

const { orderId } = await post("/order", submitBody);